TERNARY SURFACTANT BLENDS COMPRISING CATIONIC, ANIONIC, AND BRIDGING SURFACTANTS AND METHODS OF PREPARING SAME - Patent 1257350

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EP 1 257 350 A1

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(43)	Date of publication:
	20.11.2002 Bulletin 2002/47

(21)	Application number: 00957899.8

(22)	Date of filing: 29.08.2000

(51)	International Patent Classification (IPC)⁷: B01F 17/00

(86)	International application number:
	PCT/US0023/719

(87)	International publication number:
	WO 0101/9507 (22.03.2001 Gazette 2001/12)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

17.09.1999 US 154750 P

(71)	Applicant: STEPAN COMPANY
	Northfield,Illinois 60093 (US)

(72)	Inventors:
	BRATESCU, Daniela T.,Intellectual Property Dept. Northfield, IL 60093 (US) BERNHARDT, Randy J.,Intellectual Property Dept. Northfield, IL 60093 (US)

(74)	Representative: Adam, Holger, Dr.
	Kraus & Weisert,Patent- und Rechtsanwälte,Thomas-Wimmer-Ring 15 80539 München 80539 München (DE)

(54)	TERNARY SURFACTANT BLENDS COMPRISING CATIONIC, ANIONIC, AND BRIDGING SURFACTANTS AND METHODS OF PREPARING SAME